# US 9,039,649 B2 · Devices and methods for gastrointestinal bypass

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- Number: US 9,039,649 B2
- Document ID: US9039649B2
- Status: Granted
- Kind: B2
- Application number: 13/485,893
- Filed: 2012-05-31
- Published: 2013-12-05
- Granted: 2015-05-26
- Earliest claimed: 2012-05-31
- Assignees: ValenTx, Inc.
- Applicants: Johann Neisz; Cole Chen; Sean Miller; Josiah Verkaik
- Inventors: Johann Neisz; Cole Chen; Sean Miller; Josiah Verkaik
- Web page: https://patentgrep.com/patent/US9039649B2

## CPC

- A61F 5/0076: {preventing normal digestion, e.g. Bariatric or gastric sleeves}
- A61B 17/0401: {Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors (A61B17/0642 takes precedence; fixation devices for tendons or ligaments A61F2/0811)}
- A61B 17/064: Surgical staples, {i.e. penetrating the tissue}
- A61B 17/068: Surgical staplers {, e.g. containing multiple staples or clamps}({staplers containing only one staple A61B17/10; magazines or containers for staples A61B17/105;} for performing anastomosis A61B17/115; {staplers in general B25C5/00})
- A61B 17/1114: {of the digestive tract, e.g. bowels or oesophagus}
- A61B 90/39: {Markers, e.g. radio-opaque or breast lesions markers}
- A61F 2/04: Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts (A61F2/18, A61F2/20 take precedence; instruments specially adapted for placement or removal of stents or stent-grafts A61F2/95)
- A61F 5/0036: {Intragastrical devices}
- A61F 5/0079: {Pyloric or esophageal obstructions}
- A61F 5/0089: {Instruments for placement or removal}
- A61B 2017/00818: {Treatment of the gastro-intestinal system}
- A61B 2017/0404: {Buttons}
- A61B 2017/0409: {Instruments for applying suture anchors}
- A61B 2017/0419: {H-fasteners}
- A61B 2017/0464: {for soft tissue}
- A61B 2017/047: {having at least one proximally pointing needle located at the distal end of the instrument, e.g. for suturing trocar puncture wounds starting from inside the body}
- A61B 2017/06052: {Needle-suture combinations in which a suture is extending inside a hollow tubular needle, e.g. over the entire length of the needle}
- A61B 2017/0647: {having one single leg, e.g. tacks}
- A61B 2090/3908: {Soft tissue, e.g. breast tissue}
- A61B 2090/395: {with marking agent for marking skin or other tissue}
- A61B 2090/3966: {Radiopaque markers visible in an X-ray image}
- A61F 2002/045: {Stomach, intestines}
- A61F 2250/0097: Visible markings, e.g. indicia
- A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C)
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)

## Abstract

Devices and methods for gastrointestinal bypass are described. A gastrointestinal bypass device includes a gastrointestinal cuff and a gastrointestinal sleeve. The cuff may be configured to be attached in the esophagus, and may be sufficiently flexible to expand and collapse to conform with the inside of the esophagus to allow the esophagus to function substantially normally. The sleeve is configured to be coupled to the cuff, and may be made of a material that is floppy or flaccid but does not substantially expand radially.

## Claims

### Claim 1

A gastrointestinal cuff device configured to be attached in a gastrointestinal lumen, the device comprising:
a liner having a proximal portion and a distal portion, the liner configured to open and close with the gastrointestinal lumen;
a plurality of struts coupled to the liner; and
a scaffold coupled to the liner, the scaffold having a plurality of proximal segments and distal segments coupled by connecting segments, the distal segments of the scaffold positioned so as to cross the struts, the scaffold configured to provide an outward bias to increase conformance of the liner to an inside surface of the gastrointestinal lumen.

### Claim 2 (depends on 1)

The device of claim 1, wherein the scaffold is shaped like a wave.

### Claim 3 (depends on 1)

The device of claim 1, wherein the scaffold is shaped like a sawtooth wave.

### Claim 4 (depends on 1)

The device of claim 1, wherein the scaffold is shaped like a sine wave.

### Claim 5 (depends on 1)

The device of claim 1, wherein the scaffold is a mesh.

### Claim 6 (depends on 1)

The device of claim 1, wherein the scaffold is coupled to an inner surface of the liner.

### Claim 7 (depends on 1)

The device of claim 1, wherein the liner includes an inner layer and an outer layer, and wherein the scaffold is coupled to the liner between the inner layer and the outer layer.

### Claim 8 (depends on 1)

The device of claim 1, wherein one or more of the struts are formed as a single piece with the scaffold.

### Claim 9 (depends on 1)

The device of claim 1, wherein the scaffold is configured to rotate the struts when the liner closes.

### Claim 10 (depends on 1)

The device of claim 1, wherein one or more of the struts includes a notch configured to be coupled to the scaffold.